August 7, 2007, Tuesday

The NASA official in charge of shuttle Columbia's re-entry said today that despite the accumulating signs of trouble aboard the spacecraft as it crossed the southwestern United States, he had remained confident that it would land safely. The...

Following are excerpts from NASA communications with the space shuttle Columbia on Feb. 1, beginning at 8:31 a.m., as recorded by The New York Times. NASA assisted in clarifying parts and identifying the speakers, who included Jeff Kling, the...